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Graco Children’s Products is recalling 1.9 million infant car seats after agreeing to government demands.

The recall comes after five months of arguing between Graco and the National Highway Traffic Safety Administration. Earlier this year the company recalled 4.2 million toddler seats for a harness buckle problem at the request o the agency, but it resisted the the demand to recall the infant seats.

According to officials, the buckles of the seats can get gummed up by food and drinks, which could make it difficult to remove children. There have been cases in which parents had to cut harnesses to get their children out. The agency says the sticky buckles could increase the risk of injuries in emergency situations.

Graco previously argued that infant seats are used differently. They said that in an emergency, a parent would be able to remove the entire car seat, even if the buckle was stuck.